Severe Thunderstorm Warning — Ste. Genevieve County, Missouri
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 12 at 7:12PM CDT until August 12 at 7:45PM CDT by NWS St Louis MO
At 712 PM CDT, a severe thunderstorm was located near St. Mary, or 5 miles southeast of Ste. Genevieve, moving southeast at 35 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Kellogg, Ste. Genevieve, St. Mary, Kaskaskia and Chester. This includes the following State Parks... Felix Valle House State Park. This includes Interstate 55 in Missouri between exits 141 and 143.
Effective August 12, 2026 at 8:12 PM ET · Expires August 12, 2026 at 8:45 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS St Louis MO
Expires
August 12, 2026 at 8:45 PM ET
Last Checked
2 minutes ago
What To Do
📋 Official NWS Guidance
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Missouri
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Get Severe Thunderstorm Warning Alerts for Ste. Genevieve County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Ste. Genevieve County, Missouri?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (2 minutes ago). It's set to expire August 12, 2026 at 8:45 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Ste. Genevieve County?
Download StormCast free on Google Play and set Ste. Genevieve County, Missouri as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Warning is also in effect for Randolph County.